3521144134140 has 96 divisors (see below), whose sum is σ = 9958717117440. Its totient is φ = 929501239296.

The previous prime is 3521144134111. The next prime is 3521144134187. The reversal of 3521144134140 is 414314411253.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16313041 + ... + 16527479.

It is an arithmetic number, because the mean of its divisors is an integer number (103736636640).

Almost surely, 2^{3521144134140} is an apocalyptic number.

3521144134140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3521144134140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4979358558720).

3521144134140 is an abundant number, since it is smaller than the sum of its proper divisors (6437572983300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3521144134140 is a wasteful number, since it uses less digits than its factorization.

3521144134140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217211 (or 217209 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 3521144134140 its reverse (414314411253), we get a palindrome (3935458545393).

The spelling of 3521144134140 in words is "three trillion, five hundred twenty-one billion, one hundred forty-four million, one hundred thirty-four thousand, one hundred forty".